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[Leyli Cecil <leycec@xxxxxxxxx>]

This bug is horrible and must die. My base intuition concurs with Brian
Norris' prior commentary. Quoted for truth:

"I suspect that there is some sort of race condition in the provided
build scripts written by Nvidia, and they are only showing up
intermittently or under particular system configurations/states, so
package reinstallation tends to work fine the second time.

Related: I see this comment in Nvidia's Makefile regarding the "new"
build system in Linux >= 2.6:

# The new approach currently has its own share of problems, some of which
# are architectural difficulties with KBUILD, others minor annoyances. For
# this reason, an improved version of the NVIDIA Makefile is available to
# those experiencing difficulties.

So it sounds like they admit to having architectural difficulties here.
I wonder where this "improved version" of the Makefile can be
obtained..."

The difficulty of reliably reproducing this bug implies (however weakly)
an upstream race condition.

Given Nvidia's intransigence in addressing this, it remains Canonical's
responsibility to supply a temporary downstream fix. This is rapidly
becoming a community embarrassment – which, if left unresolved, could
metastasize into mainstream media attention. (Of the variety we'd rather
not have.)

While a genuine solution is probably beyond our purview, the Ubuntu-
specific nvidia packages could at least be refactored so as to grep the
DKMS build log for the following offending lines and respond by
attempting to silently reinstall such packages a second time:

	echo >&2 "  ERROR: Kernel configuration is invalid.";		\
	echo >&2 "         include/generated/autoconf.h or include/config/auto.conf are missing.";\
	echo >&2 "         Run 'make oldconfig && make prepare' on kernel src to fix it.";	\

Given that reinstalling such packages does appear to (mostly) succeed,
automating such reinstallation could be of general assistance.
Certainly, that's better than nothing – which woefully appears to be the
current approach.

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to nvidia-graphics-drivers-331 in Ubuntu.
https://bugs.launchpad.net/bugs/1268257

Title:
  nvidia-331-updates 331.38-0ubuntu3: nvidia-331-updates kernel module
  failed to build, with only error: "objdump: '... .tmp_nv.o': No such
  file"

Status in nvidia-graphics-drivers-331 package in Ubuntu:
  Triaged
Status in nvidia-graphics-drivers-331-updates package in Ubuntu:
  Triaged

Bug description:
  Nvidia kernel module failed to build on kernel 3.13.0-2
  Yesterday when the new kernel was pushed, the dkms process failed.

  ProblemType: Package
  DistroRelease: Ubuntu 14.04
  Package: nvidia-331-updates 331.20-0ubuntu9
  ProcVersionSignature: Ubuntu 3.12.0-7.15-generic 3.12.4
  Uname: Linux 3.12.0-7-generic x86_64
  ApportVersion: 2.13.1-0ubuntu1
  Architecture: amd64
  DKMSKernelVersion: 3.13.0-2-generic
  Date: Sun Jan 12 01:28:35 2014
  InstallationDate: Installed on 2013-11-03 (69 days ago)
  InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
  PackageVersion: 331.20-0ubuntu9
  SourcePackage: nvidia-graphics-drivers-331-updates
  Title: nvidia-331-updates 331.20-0ubuntu9: nvidia-331-updates kernel module failed to build
  UpgradeStatus: Upgraded to trusty on 2013-12-29 (13 days ago)

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